Rock Hydra [Collectors' Edition] Spirit Minion Whenever Primeval Herald enters the

Whenever Primeval Herald enters the battlefield or attacks

Set: Innistrad: Midnight Hunt Type: Creature — Zombie Rarity: Common Cost: {3}{U} When Organ Hoarder enters the battlefield

and cowering

Its controller mills that many cards

Set: Unknown Event Type: Artifact Creature — Spirit Rarity: Common Cost: {6} Trample

Rock Hydra [Collectors' Edition] Spirit Minion Whenever Primeval Herald enters theSet: Collectors' Edition Type: Creature Hydra Rarity: Rare Cost: {X}{R}{R} Rock Hydra enters the battlefield with X +1 +1 counters on it. For each 1 damage that would be dealt to Rock Hydra, if it has a +1 +1 counter on it, remove a +1 +1 counter from it and prevent that 1 damage. {R}: Prevent the next 1 damage that would be dealt to Rock Hydra this turn. {R}{R}{R}: Put a +1 +1 counter on Rock Hydra. Activate only during your upkeep.